An environmental group in the U.K. says the North Sea tanker collision could become a "disaster in really important protected areas."

Anchored 13 miles from the coast, the US-flagged Stenna Immaculate was set for a routine stop at the Humber Estuary port in East Yorkshire.But a “massive” ship “came out of the blue” on Monday morning and smashed into the 183-metre oil tanker,